In the matter of physics, the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more valuable than twenty formulae extracted from our minds. Albert Einstein
My quarrel with him is, that his works contain nothing worth quoting; and a book that furnishes no quotations, is, me judice [in my opinion], no book - it is a plaything. Thomas Love Peacock
Remember, however, before all else, to strip things of all that disturbs and confuses, and to see what each is at bottom; you will then comprehend that they contain nothing fearful except the actual fear. Seneca